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Prod. # 8030, 1/2" 316 SS BSE Style Basic-Check® Threaded In-Line Check Valve

 	 Prod. # 8030, 1/2" 316 SS BSE Style Basic-Check® Threaded In-Line Check Valve
Prod. # 8030, 1/2' 316 SS BSE Style Basic-Check® Threaded In-Line Check Valve
DFT Inc.

The DFT® Basic-Check valve is a versatile all-purpose, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of liquids and gases at various pressure/temperature combinations. The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc. to form a complete check valve unit ideally suited for a broad range of pipeline applications or incorporated into machinery for OEM applications. The metal-to-metal sealing area of the Basic-Check valve’s disc and seat is precision lapped, providing very tight shut-off of both gas and liquid. If bubble-tight shut-off is required, resilient soft seats are available.

Light spring available: Cracking Pressure = 0.24 PSI (6.5 inches of water)





Specifications  · Materials of Construction  · Springs  · Valve Selection Specifications  · Codes and Standards  · Features  · Options

Specifications

Series

Basic-Check®

Size

DN 15
0.5 in

Line Size Inlet (FNPT) A

0.50 in

Style

BSE

Outside Thread (MNPT) B

1.00 in

Cv

5.8

Friction Loss (Feet of Pipe)

7

Friction Loss (Meter of Pipe)

2.1

Valve Cracking Pressure1

0.60 psi
0.041 bar
16.7 in.water
424 mm.water
31.1 mmHg

Valve Cracking Pressure Tolerance

±10%

Approx. Net Weight Each

0.38 lb
0.2 kg

Cold Working Pressure2

0 psig
2500 psig
0 barg
172 barg
1 Cracking pressure for vertical flow will be slightly different: upward flow, slightly higher; downward flow, slightly less.
Not recommended for use on discharge of reciprocating compressors.
2 Contingent on service ratings of matching pipe and fittings.


Materials of Construction

Seat

303 SS

Disc

316 SS

Guard

17-4 SS

Spring

Inconel®

Retaining Ring

316 SS


Springs

Springs

Inconel® X-750 (-460 to 700°F)
316 SS (-460 to 450°F)


Valve Selection Specifications

ENDS

NPT

ASME

2500 CWP

Materials

303 SS


Codes and Standards

ANSI

B1.20.1

MSS

SP-25


Features
  • 1/4" to 2 1/2" Line size
  • 450 to 6000 CWP
  • Threaded ends
  • Stainless Steel Construction
  • Spring-assisted silent closing
  • Horizontal or vertical installation
  • Tight shut-off - lapped disc & seat
  • Easy Maintenance
  • Versatile


Options
  • Inconel® 750 Spring
  • Soft seat



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